This is my second favorite octopus story (that they can use coconuts as armor)

https://spacedaily.com/k-an-octopus-was-filmed-carrying-two-halves-of-a-coconut-shell-across-the-seafloor-to-reassemble-them-later-as-a-portable-suit-of-armour-one-of-the-only-clear-cases-of-a-wild-invertebrate-using-tools/

My favorite one is that some octopus lead groups of fish in hunting together, and punch the fish that act up

https://www.sciencealert.com/octopuses-team-up-with-fish-to-hunt-and-will-punch-them-if-they-act-up

#Marine #Science #Octopus